CN201883790U - Cabin door lock with automatic power failure protection function - Google Patents
Cabin door lock with automatic power failure protection function Download PDFInfo
- Publication number
- CN201883790U CN201883790U CN201020635042XU CN201020635042U CN201883790U CN 201883790 U CN201883790 U CN 201883790U CN 201020635042X U CN201020635042X U CN 201020635042XU CN 201020635042 U CN201020635042 U CN 201020635042U CN 201883790 U CN201883790 U CN 201883790U
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- Prior art keywords
- electromagnetic mechanism
- door lock
- loop
- connecting rod
- cabin door
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a cabin door lock with an automatic power failure protection function. The cabin door lock comprises a lock body, a connecting rod mechanism and an electromagnetic mechanism loop, wherein the electromagnetic mechanism loop is connected with the connecting rod mechanism; and the connecting rod mechanism is connected with the lock body. The cabin door lock is characterized by also comprising a micro switch which is connected in series in the electromagnetic mechanism loop, comprises a button, and is contacted with the connecting rod mechanism. When the cabin door lock is closed, a normally open contact of the micro switch is combined by a rotary compression micro switch button of the connecting rod mechanism, and the electromagnetic mechanism loop is switched on; when the cabin door lock is switched on, the electromagnetic mechanism loop is conducted and drives the connecting rod mechanism to move, so that the lock body is unlocked, the button of the micro switch is released under the action of the connecting rod mechanism, so that the normally open contact is switched off, and the electromagnetic mechanism loop is switched off due to switch-off of a circuit, so that an electromagnetic mechanism is prevented from being burnt by heating due to long-term switch-on.
Description
Technical field
The utility model relates to a kind of aircraft umbrella hatch door lock.
Background technology
Hatch door lock major function is to be used for locking drag parachute umbrella hatch door and to be used to open umbrella hatch door unlocking resistance umbrella in that aircraft landing is sliding when running or stop take-off process when aircraft flight.At present, the hatch door lock mainly partly is made up of lock body, rocking arm, electromagnet, electrical equipment assembly etc., and self does not possess power-off protection function.After the signal of telecommunication of unlocking resistance umbrella was provided when the aircraft cockpit control system, the coil of hatch door lock electromagnetic mechanism was by electric current, and the active force of generation makes armature drive fanning strip and moves in the direction of the clock together.Fanning strip breaks away from the work plane that meshes with the locking rocking arm subsequently; under the effect of stressed hook power; the locking rocking arm clockwise rotates; make arrester hook to rotate counterclockwise by auricle; thereby broken away from engagement with stressed hook; stressed hook is to door cover earrings constraint relief, and drag parachute umbrella hatch door is opened, and last aircraft cockpit control system is carried out power-off protection to the hatch door lock.The passenger cabin control system is made up of relay, electromagnetic valve.For guaranteeing that hatch door lock electromagnet does not during normal use produce coil heating and burns phenomenon, the strict control of passenger cabin control system is not more than 1s conduction time.Bulky, the complex structure of this passenger cabin control system is controlled the hatch door lock when being unfavorable for the use of ground experiment and ground.
The utility model content
The technical problems to be solved in the utility model is: the hatch door that possesses automatic power-off protection function after a kind of work of switching on lock is provided.
The utility model is to solve the problems of the technologies described above the technical scheme of being taked to be: a kind of hatch door lock that possesses automatic power-off protection function; comprise lock body, linkage and electromagnetic mechanism loop; described electromagnetic mechanism loop connects with described linkage; described linkage connects with lock body; it is characterized in that: it comprises that also microswitch is connected in the described electromagnetic mechanism loop, and microswitch comprises that a button contacts with described linkage.
Press such scheme, described microswitch comprises a pair of constant open contact, described electromagnetic mechanism loop positive pole links to each other with an end of constant open contact, and the other end of constant open contact links to each other with electromagnetic mechanism is anodal, and the electromagnetic mechanism negative pole is as the negative pole in whole electromagnetic mechanism loop.
Press such scheme, the button of described microswitch contacts with linkage by spring leaf.
The course of work of the present utility model is: the rotation compression microswitch push-button of linkage makes the constant open contact combination of microswitch when the hatch door lock cuts out, and the electromagnetic mechanism loop is connected; When hatch door when energising lock, to work after the conducting of electromagnetic mechanism loop and the drivening rod mechanism kinematic makes lock body unblank, this moment, the button of microswitch discharged under the effect of linkage, made constant open contact disconnect, and the electromagnetic mechanism loop is owing to circuit cuts off the power supply.
The beneficial effects of the utility model are:
1, by microswitch of series connection in hatch door lock electromagnetic mechanism loop, the disconnection of opening and closing the whole electromagnetic mechanism of control loop that utilizes microswitch is with closed, make hatch door be locked in electromagnetic mechanism loop outage under the open mode, thereby the protection electromagnetic mechanism does not burn out because of switching on to not generating heat for a long time;
2, can in existing hatch door lock, carry out simple modifications, simple in structure, convenient feasible.
Description of drawings
Fig. 1 is an electromagnetic mechanism loop schematic diagram
Fig. 2 is the constructional drawing of the utility model one embodiment hatch door lock closed condition
Fig. 3 is the constructional drawing of the utility model one embodiment hatch door lock open mode
The specific embodiment
Fig. 1 is an electromagnetic mechanism loop schematic diagram, microswitch of anodal series connection in the electromagnetic mechanism loop, described microswitch comprises a pair of constant open contact, one end of constant open contact links to each other with the input of described electromagnetic mechanism loop is anodal, the other end of constant open contact links to each other with electromagnetic mechanism is anodal, and the electromagnetic mechanism negative pole is as the negative pole in whole electromagnetic mechanism loop.During hatch door lock closed condition, 1., 2. conducting, 3., 4. disconnect; During hatch door lock open mode, 1., 2. disconnect, 3., 4. connect.
Fig. 2 is the constructional drawing of the utility model one embodiment hatch door lock closed condition, this moment, microswitch 2 constant open contacts one end connected with electromagnetic mechanism loop input anodal 1, the microswitch 2 constant open contact other ends and 3 anodal connections of electromagnetic mechanism, electromagnetic mechanism 3 negative poles connect with electromagnetic mechanism loop negative pole 4; The button of microswitch 2 contacts with spring leaf 5, and this moment, spring leaf 5 was in compressive state by the rotation of linkage 6 extruding, the button of compression microswitch 2 make constant open contact 1., 2. conducting.
Fig. 3 is the constructional drawing of the utility model one embodiment hatch door lock open mode, the energising moment conducting of electromagnetic mechanism loop, drive link mechanism 6 clockwise rotates unblanks, thereby spring leaf 5 rotates the button that discharges microswitch 2 owing to clockwise rotating of linkage 6,1., 2. constant open contact disconnects, and the electromagnetic mechanism loop disconnects.
Claims (3)
1. a hatch door that possesses automatic power-off protection function is locked; comprise lock body, linkage and electromagnetic mechanism loop; described electromagnetic mechanism loop connects with described linkage; described linkage connects with lock body; it is characterized in that: it comprises that also microswitch is connected in the described electromagnetic mechanism loop, and microswitch comprises that a button contacts with described linkage.
2. the hatch door lock that is equipped with automatic power-off protection function according to claim 1; it is characterized in that: described microswitch comprises a pair of constant open contact; described electromagnetic mechanism loop positive pole links to each other with an end of constant open contact; the other end of constant open contact links to each other with electromagnetic mechanism is anodal, and the electromagnetic mechanism negative pole is as the negative pole in whole electromagnetic mechanism loop.
3. the hatch door lock that is equipped with automatic power-off protection function according to claim 1 and 2, it is characterized in that: the button of described microswitch contacts with linkage by spring leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020635042XU CN201883790U (en) | 2010-12-01 | 2010-12-01 | Cabin door lock with automatic power failure protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020635042XU CN201883790U (en) | 2010-12-01 | 2010-12-01 | Cabin door lock with automatic power failure protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201883790U true CN201883790U (en) | 2011-06-29 |
Family
ID=44181330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020635042XU Expired - Fee Related CN201883790U (en) | 2010-12-01 | 2010-12-01 | Cabin door lock with automatic power failure protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201883790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041061A (en) * | 2015-08-14 | 2015-11-11 | 中国航空工业集团公司西安飞机设计研究所 | Cabin door unlocking device and cabin door with same |
-
2010
- 2010-12-01 CN CN201020635042XU patent/CN201883790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041061A (en) * | 2015-08-14 | 2015-11-11 | 中国航空工业集团公司西安飞机设计研究所 | Cabin door unlocking device and cabin door with same |
| CN105041061B (en) * | 2015-08-14 | 2017-07-11 | 中国航空工业集团公司西安飞机设计研究所 | A kind of hatch door tripper and the hatch door with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20151201 |
|
| EXPY | Termination of patent right or utility model |